Nauru country information

Common names: [No common name]
Occurrence: native
Salinity: marine
Abundance: | Ref:
Importance: | Ref:
Aquaculture: | Ref:
Regulations: | Ref:
Uses: no uses
Comments:
National Checklist:
Country Information: https://www.cia.gov/library/publications/resources/the-world-factbook/geos/nr.html
National Fisheries Authority:
Occurrences: Occurrences Point map
Main Ref: Carpenter, K.E. and G.R. Allen, 1989
National Database:

Common names from other countries

Empereur tatoué, Sea bream, Stout emperor, ... more

Classification / Names Noms communs | Synonymes | Catalog of Fishes(Genre, Espèce) | ITIS | CoL | WoRMS | Cloffa

> Eupercaria/misc (Various families in series Eupercaria) > Lethrinidae (Emperors or scavengers) > Monotaxinae
Etymology: Gymnocranius: Greek, gymnos = naked + Greek, kranion = skull (Ref. 45335).
More on author: Valenciennes.

Environment: milieu / climate zone / depth range / distribution range Écologie

marin récifal; non migrateur; profondeur 20 - 170 m (Ref. 12260). Tropical; 35°N - 28°S, 32°E - 134°W

Distribution Pays | Zones FAO | Écosystèmes | Occurrences | Point map | Introductions | Faunafri

Indo-Pacific: East Africa to southeastern Oceania and from Australia northward to Japan. This species has been referred to as Gymnocranius robinsoni in recent literature.

Taille / Poids / Âge

Maturity: L_m ? range ? - ? cm
Max length : 80.0 cm TL mâle / non sexé; (Ref. 2295); common length : 64.0 cm SL mâle / non sexé; (Ref. 37816); poids max. publié: 5.5 kg (Ref. 40637)

Description synthétique Clés d'identification | Morphologie | Morphométrie

Épines dorsales (Total) : 10; Rayons mous dorsaux (Total) : 10; Épines anales: 3; Rayons mous anaux: 10.

Inhabits offshore reefs (Ref. 9710), trawling grounds of the continental shelves and offshore rocky bottoms (Ref. 30573). Juveniles inshore on muddy substrates (Ref. 48635). Solitary or in small groups (Ref. 90102). Feeds mostly on bottom invertebrates and small fishes (Ref. 30573). Potential commercial fish if sufficient stocks can be located (Ref. 9775). Marketed fresh (Ref. 9775); sometimes with a strong and unpleasant flavor (Ref. 11888).

Life cycle and mating behavior Maturities | Reproduction | Spawnings | Egg(s) | Fecundities | Larves

Référence principale Upload your references | Références | Coordinateur | Collaborateurs

Carpenter, K.E. and G.R. Allen, 1989. FAO Species Catalogue. Vol. 9. Emperor fishes and large-eye breams of the world (family Lethrinidae). An annotated and illustrated catalogue of lethrinid species known to date. FAO Fish. Synop. 125(9):118 p. Rome: FAO. (Ref. 2295)

Statut dans la liste rouge de l'IUCN (Ref. 130435)

Préoccupation mineure (LC) ; Date assessed: 09 March 2015

CITES (Ref. 128078)

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Menace pour l'homme

Harmless

Utilisations par l'homme

Pêcheries: intérêt commercial mineur

FAO(Publication : search) | FishSource | Sea Around Us

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Trophic ecology
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Ecology
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Estimates based on models

Preferred temperature (Ref. 115969): 21.6 - 28.3, mean 26.8 (based on 971 cells).

Phylogenetic diversity index (Ref. 82804): PD₅₀ = 0.5010 [Uniqueness, from 0.5 = low to 2.0 = high].

Bayesian length-weight: a=0.02042 (0.01172 - 0.03557), b=2.88 (2.73 - 3.03), in cm Total Length, based on LWR estimates for this species & (Sub)family-body (Ref. 93245).

Niveau trophique (Ref. 69278): 3.8 ±0.0 se; based on diet studies.

Résilience (Ref. 120179): Milieu, temps minimum de doublement de population : 1,4 à 4,4 années (K=0.23).

Fishing Vulnerability (Ref. 59153): Moderate vulnerability (42 of 100).

Catégorie de prix (Ref. 80766): High.

Gymnocranius grandoculis (Valenciennes, 1830)